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NanoNF 4040

 

Application

Softening and clarification of brackish water

Model A, mm B, mm B' (ATD), mm C, mm D, mm Weight, kg
NF 4040-C 1016.00 100.30 0.00 19.10 26.70 3.60
NF 4040-C2 1016.00 100.00 0.00 19.10 26.70 3.60
NF 4040-C3 1016.00 100.30 0.00 19.10 26.70 3.60

Product description

Feature Reinforced by tape (-T)
Membrane material Polypiperazineamide
Membrane type NaRM
Design Spiral wound
Application Softening and clarification of brackish water

Specification

Model Flux, GPD Rejection, % Area Spacer
m2 ft2 mm mil
NF 4040-C 2 000 60.00 / 55.00 8.00 86.00 0.72 28.00
NF 4040-C2 1 800 60.00 / 55.00 7.70 86.00 0.71 28.00
NF 4040-C3 1 700 60.00 / 55.00 7.40 80.00 0.86 34.00

*TEST CONDITIONS: test solution of NaCl 500 mg/l, P=0,7 MPa , T=25 C, pH=7,5. Recovery - 15%


Operating conditions and technical data for designing
Recommended operation pressure, MPa 0,5-2,0
Maximum operation pressure, MPa 4,1/2,1
Maximum pressure drop, MPa 0,1
Operation temperature, С1 4-45
рН at operation1 2-11
рН at chemical cleaning (short time operation) 2-11;1-13;1-13
Acceptable Hydrogen peroxide concentration during continuous operation, mg/l 20
Acceptable Hydrogen peroxide concentration during disinfection (not longer than 30 min), mg/l 1000
Acceptable free Chlorine concentration during continuous operation, mg/l 1
Acceptable free Chlorine concentration during disinfection (not longer than 30 min), mg/l 5
Concentrate/permeate ratio on each element, min 5:1
SDI (15 minutes test), max 5
Turbidity, NTU max 1
Maximum feed flow, m3/hr 3,6
1) During continuous work with pH over 10,5 the temperature must not exceed 35 C 2) Flow of each element in a batch may vary +/-20%